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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Operating revenues
Electric revenue	$ 10,357	$ 10,104	$ 11,159
Other revenue	146	145	159
Revenue from sales of electricity	10,503	10,249	11,318
Operating expenses
Fuel	1,737	1,584	1,896
Purchased power	984	880	1,007
Operating and maintenance	2,890	2,720	3,090
Depreciation and amortization	1,533	1,826	1,973
Tax equivalents	514	528	541
Total operating expenses	7,658	7,538	8,507
Operating income	2,845	2,711	2,811
Other income (expense), net	13	36	62
Defined Benefit Plan, Other Cost (Credit)	258	253	258
Interest expense
Interest expense	1,088	1,142	1,198
Net income (loss)	1,512	1,352	1,417
ALABAMA
Operating revenues
Electric revenue	1,508	1,439	1,593
GEORGIA
Operating revenues
Electric revenue	254	249	270
KENTUCKY
Operating revenues
Electric revenue	655	624	691
MISSISSIPPI
Operating revenues
Electric revenue	984	941	1,063
NORTH CAROLINA
Operating revenues
Electric revenue	66	65	74
TENNESSEE
Operating revenues
Electric revenue	6,841	6,740	7,419
VIRGINIA
Operating revenues
Electric revenue	$ 42	$ 42	$ 45

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